The Knee Arthroplasty Trial (KAT) design features, baseline characteristics, and two-year functional outcomes after alternative approaches to knee replacement

L Johnston, G MacLennan, K McCormack, C Ramsay, A Walker, M Campbell, N Fiddian, R Fitzpatrick, A Grant, A Gray, R Morris, D Murray, D Rowley, S Campbell

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    Abstract

    Patients have substantial improvement following total knee replacement. This is the first adequately powered randomized controlled trial, of which we are aware, in which the effects of metal backing, patellar resurfacing, and a mobile bearing were investigated. We found no evidence of an effect of these variants on the rate of early complications or on functional recovery up to two years after total knee replacement.
    Original languageEnglish
    Pages (from-to)134-141
    Number of pages8
    JournalThe Journal of bone and joint surgery. American volume
    Volume91
    Issue number1
    DOIs
    Publication statusPublished - 2009

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